package com.observed;


/**
 * 被观察者抽象接口
 * @author zincredible
 * @date   2019-01-22 16:26:34
 */
public interface IBeobserved {
	boolean registerObserved(Observed o);
	boolean removeObserved(Observed o);
	void notifyObserved(String msg);
	void setInfo(String msg);
}
